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 TM 55-1905-223-24-1
NOTE
The lower main bearings (21, 30, and 41), lower thrust bearing
support (27) and associated hardware (20, 22, 23, 28, 29, 31,
32, 42, and 43) are installed when installing the crankshaft
(1)
Position upper bearing retaining plate (25).
(2)
Install capscrews (24). Torque capscrews to 45 ft-lb (60 N ).
m
f.
Install idler gear shafts.
CAUTION
Newer and older engines do not contain the same parts. If
the correct parts are not installed, the engine will be
seriously damaged.
The water pump idler shaft (1, FIG. 4-92) must be installed
so that the oil holes on the outside diameter of the shaft are
at the 3 o'clock and 9 o'clock positions. If the oil holes are
not in the correct position, failure will result due to lack of
lubrication to the bushings. The two camshaft idler shafts
(2) should be installed with the holes in the same position as
the water pump idler shaft.
NOTE
Machine bolts (45 and 48) and washer (46 and 49) are installed
when installing idler gears (para. 3-24).
(1) Install water pump idler shaft (1). Rotate shaft until holes are at 3 o'clock and 9 o'clock positions as
shown in FIG. 4-92.
(2) Install two camshaft idler gear shafts (2). If a shaft does not stay within the block, verify parts are
within
specification. FIG. 4-92. Idler Shaft Installation.
FIGURE 4-92. Idler Shaft Installation.
4-104
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